<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="6">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 表格数据 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          label="商品价格(元)"
          prop="goods_price"
          width="100px"
        ></el-table-column>
        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="70px"
        ></el-table-column>
        <el-table-column
          label="商品数量"
          prop="goods_number"
          width="70px"
        ></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">{{
            scope.row.add_time | dateFormat
          }}</template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="addById(scope.row.goods_id)"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      ></el-pagination>
    </el-card>
    <!-- 修改对话框 -->
    <el-dialog
      title="修改商品信息"
      :visible.sync="eooDialogVisible"
      width="50%"
      @close="eooDialogClosed"
    >
      <el-form
        :model="eooFrom"
        :rules="eooFromRules"
        ref="eooFromRef"
        label-width="100px"
      >
        <el-form-item label="商品名称" prop="goods_name">
          <el-input v-model="eooFrom.goods_name"></el-input>
        </el-form-item>
        <el-form-item label="商品价格" prop="goods_price">
          <el-input v-model="eooFrom.goods_price" type="number"></el-input>
        </el-form-item>
        <el-form-item label="商品重量" prop="goods_weight">
          <el-input v-model="eooFrom.goods_weight" type="number"></el-input>
        </el-form-item>
        <el-form-item label="商品数量" prop="goods_number">
          <el-input v-model="eooFrom.goods_number" type="number"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="eooDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="eooParams">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  created () {
    this.getGoodsList()
  },
  data () {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodsList: [],
      // 总数据条数
      total: 0,
      eooDialogVisible: false,
      // 查询出来的信息
      eooFrom: {},
      eooFromRules: {
        goods_name: [
          { required: true, message: '请输入商品名称', trigger: 'blur' }
        ],
        goods_price: [
          { required: true, message: '请输入商品价格', trigger: 'blur' }
        ],
        goods_weight: [
          { required: true, message: '请输入商品重量', trigger: 'blur' }
        ],
        goods_number: [
          { required: true, message: '请输入商品数量', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // 获取商品数据
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }
      console.log(res.data)
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 删除
    async removeById (id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch((err) => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除！')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败！')
      }
      this.$message.success('删除商品成功！')
      this.getGoodsList()
    },
    // 添加商品
    goAddPage () {
      this.$router.push('/home/add')
    },
    // 查询商品
    async addById (id) {
      const { data: res } = await this.$http.get(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('查询商品数据失败！')
      }
      this.eooFrom = res.data
      this.eooDialogVisible = true
    },
    // 监听修改对话框
    eooDialogClosed () {
      this.$refs.eooFromRef.resetFields()
    },
    // 修改
    eooParams () {
      this.$refs.eooFromRef.validate(async valid => {
        if (!valid) return false
        const { data: res } = await this.$http.put(`goods/${this.eooFrom.goods_id}`, {
          goods_name: this.eooFrom.goods_name,
          goods_price: this.eooFrom.goods_price,
          goods_number: this.eooFrom.goods_number,
          goods_weight: this.eooFrom.goods_weight
        })
        if (res.meta.status !== 200) {
          return this.$message.error('编辑商品信息失败！')
        }
        this.$message.success('编辑商品信息成功！')
        this.getGoodsList()
        this.eooDialogVisible = false
      })
    }
  }
}
</script>

<style scoped lang="scss">
</style>
